Why does dancing - or just watching other people dance - feel so good? Correspondent Frank Browning checks in with dancers and neuroscientists.
Intelligent. Optimistic. Curious.
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Many of history's greatest scientists, from Newton to Maxwell to Einstein, have devoted significant study to the behavior of light, and, as a result, most physicists thought there was little left to say on the subject. But in April 2016, Paul Eastham, a physicist at Trinity College in Dublin, published a new paper proving that a fundamental assumption scientists had made about light was wrong.
Sharon Jones is a black woman in her late 40s who fronts a band called the Dap-Kings...
Stacy Peralta was one of the original Z-boys who transformed the sport of skateboarding. Peralta tells Steve Paulson that the Z boys were all wild surfers from a rough neighborhood in west Los Angeles.
When blogger Jenny Lawson recently tweeted about an awkward exchange she had with a cashier at an airport, she couldn't have imagined the flood of responses she'd get from fans recounting their own mortifying moments. The tweet went viral and within a few days she'd received thousands of messages from fans recounting their own awkward stories. The whole affair was proof of something Jenny had long suspected -- that awkwardness can help bring people together.
Afghan-born writer Khaled Hosseini, author of "The Kite Runner," reads from his latest novel, "And the Mountains Echoed."
Steve Paulson talks with some leading Darwin experts and goes to see Darwin's letters at Cambridge University in England to try to get at Darwin's views on God.
Wangari Maathai triumphed over discrimination and tribalism in her native land and became an environmental activist, planting trees all over her country.
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